Question

Which expression is equivalent to 3x2 + 7x + 4?

3(x2 + 7x + 4) – 14x - 8
3x2 + 7x + 4 – 14x
3x2 + 7x + 4 – 8
3x2 + 7x

Answer 1

a.) 3(x^2 + 7x + 4) – 14x - 8

Explanation:

a.) 3(x^2 + 7x + 4) – 14x - 8

3x^2 + 21x + 12 - 14x - 8

3x^2 + 7x + 4

b.) 3x^2 + 7x + 4 – 14x

3x^2 -7x + 4

c.) 3x^2 + 7x + 4 – 8

3x^2 + 7x - 4

d.) 3x^2 + 7x

Already simplified